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Plant communication: how corn reacts to multiple stress situations

29 August 2017, by Maike Nicolai

Photo: UHH/Nicolai

A small box records the exchange of gases on the leaf and provides information about changes to the corn plant's level of photosynthetic activity.

When plants are exposed to individual stimuli, they respond by transmitting signals using electric currents. During dry conditions, for example, the roots send signals to the leaves telling them to slow down photosynthesis. In a new experiment, a research team working in wood science has shown that plants are even able to process two discrete, simultaneously occuring stimuli and deal with them one after the other. [Read on in German . . .]